Water-heater.



WATER HEATER. APPLICATION FILED JUNE 1. I917.

Patentd Apr. 30, 1918 ATYOHNEY ant A. nunn, or woonwonrn, nonrrr DAKOTA.

WATER-HEATER.

Application filed June 1, 1917.

To all whom it may concern:

Be it known that I, WARD A. Rune,

it more particularly relates to water heat-v ers for domestic purposes.

One of the objects of this invention is to provide an improved means forutilizing the products of combustion of an internal combustion enginefor heating water by maintaining a circulation of water through the hot'products of combustion.

Another object of this invention is to provide a device of thischaracter which is'ex- 'ceedingly simple of construction, and thereforecomparatively inexpensive; and

Another object of the invention is to provide a device of this characterwhich may be quickly and easily freed from soot deposited by theproducts of combustion.

Other objects and advantages may become apparent to those who read thefollowing de scription and claims in connection with the appendeddrawings, in which,

Figure 1 is a view partly inside elevation and partly in verticalsection, illustrating the manner in which my invention is applied.

Fig. 2 is a transverse vertical sectional view taken on the line 2-2 ofFig. 1; and

Fig. 3 is an enlar 'ed fragmental horizon tal sectional view,illustrating the manner in which the removable head of the exhaustchamber or muflier is secured in place.

'Referring to these drawings in detail, in which similar referencecharacters corre spond to similar parts throughout the sev* eral views,the element 10 represents a hot water tank of any ordinary construction,the details of which do not constitute a part of this invention. Thetank 10 is provided with an openin adjacent to each end, and with pipesections 11 and 12 which communicate with the respective openings andwith a helical coil 13. This coil is inclosed within a cylinder 14 whichis provided with heads or end walls 15 and 16 and with an opening 17adjacent to the head 16 and spaced therefrom. The head 15 is providedwith an inlet opening which communicates with the exhaust port of anengine, through the medinm of pipe sections or connections 18 and.

Specification of Letters Patent.

Patented Apr. 36, 1916.

Serial No. 172,266.

19; the engine being merely indicated'by the reference character 20.

The head 15 is also provided with an aperture through which extends apipe section 21 which constitutes the connection between the pipesection 12 and the oil 13, said pipe section 21 being axially parallelwith the coil 13. The head 16 is provided with an outlet opening 22which ommunicates with an exhaustpipe 23 through the medium of a hollowextension 24, said hollow extension being located at one edge of saidhead 16.

The head 16 is provided with an annular flange 25 which fits snugly inthe contiguous end of the cylinder 14., while a shoulder 26 abutsagainst the end of the cylinder and prevents inward movement of the head16 beyond a predetermined limit. The head 16 is also provided with anannular flange 26', the latter serving to make the head exceedinglyrigid and strong. A central opening 27 is provided in the head 16, andthrough this opening extends a hook-bolt 28, which carries a nut 29which is seated snugly against the outer surface of the head 16, whilethe hook 30 embraces the pipe section, within the cylinder 14, at apoint adjacent to the ex tension of the coil which passes through theaperture 17. In order for the book 30 to thus embrace the pipe section,the latter is bent inward to a point approximate to the axis of thecoil, and the said extension is disposed substantially along a radialline of said coil. Because of the pipe 13 being of considerable rigidityand because of its engagement with the cylinder 14 where it passesthrough the aperture 17, the coil and its extension offer a considerableamount of resistance, while being somewhat yieldable and springy.Therefore, when the head 16 is in place, as shown in Fig. 3, and thehookbolt 27 is engaged therewith, as shown, the hook cooperates with thecoil for holding the head 16 yieldingly in position, independently ofany other means.

From the foregoing, it will be seen that the head 16 may be very quicklyand easily removed, when desirable or necessary, for. cleaning orrepairing the interior and contents of the cylinder 14. It will also beseen that the hook 30 cooperates with the coil for preventing rotationof the hook-bolt when the nut 29 is being screwed on or OK. It may befound desirable at times to flush the cylinder 14, so as to wash out thesoot, etc., and it is not considered beyond scope of this invention toprovide a hose connection and an outlet opemng, with appropriate meansfor openmg and closing the latter, so that the necessary or desirableflushing may be ing greater at the bottom of the tank than at the top,the cold water also being heavier than the hot water, the water beginsto gravitate through the pipe 11 and to ascend through the pipe 12. Inother words, a circulation is established through the tank 10, pipesections 11 and 12 and coils 13. It will be seen that the current ofwater through the coils 13 is moving in a direction opposite thedirection in which the heated products of combustion pass through thecylinder 14-, so that the heated products of combustion first come intocontact with the coils which are hottest, so as to superheat the waterin the. coil immediately before it passes out through the pipe section21 and up through the pipe section 12; while the relatively cold waterdescending through pipe section 11 absorbs substantially all of the heatwhich remains in the products of combustion after said products havepassed around and through the coils nearest the head 15.

By the foregoing arrangement, I utilize a very large percentage of theheat contained in the products of combustion and apply the heat for theextremely useful purpose of heating water for any of the variouspurposes in which hot water is desirable. However, in thepresentembodiment of my invention I have been using an improved deviceuof thiskind in connection with a domestic electric lighting system which isinstalled in connection with my dwelling, and the engine, correspondingto the elements 20, is provided with a self-starter which may beoperated from any convenient point adjacent to or remote from the engineand I find it very convenient to have a selfstarter adjacent to one ormore of the sources of supply from. the tank 10, so that when hot wateris needed, I may start the en ine and have only a short while to waituntil the water is heated -for the purpose desired. From the foregoingit will be seen that I have provided a device which is extremely usefuland which it is believed will become very popular and will meet withgreat commercial success.

Vhat I claim as my invention is:

1. A water heater, comprising a cylinder havin a lateral opening in oneend, heads closing the ends of the cylinder and having inlet and outletopenings, respectively, the head contiguous to the end of the cylinderhaving the lateral opening being remo able. and having a centralopening, a coil of pipe within the cylinder and having an end portionextending diametrically inward, thence outwardly and passing through thelateral opening of the cylinder, and fastening means eXtending into thecentral opening of the removable head and engaging the diametricallyinwardly extending portion of the coil to secure the reino able head tothe cylinder.

2. The COITiblllfltlOll of a cylinder, a coil of pipe therein, acylinder head having an opening therethrough, a hook-bolt seated in saidopening and having its hook end in engagement with said coil, and a nuton said hook-bolt and cooperative therewith and w'th said coil oil pipefor securing said head yieldingly in position in said cylinder.

3. A heater comprising a cylinder having an inlet opening at one end andhaving a removable head at its other end, said removable head beingprovided with an outlet opening and with an opening which comprises aseat for a fastening element, a fastening element in said seat andprovided with a hook, a coil of pipe in said cylinder and having one endextended through an end wall of said cylinder and adapted to communicatewith a water tank, the other end of said coil extending through theother end portion of said cylinder and adapted to communicate with saidsecuring element for removably securing said head in engagement withsaid cylinder.

In testimony whereof I aflix my signature in presence of two witnesses.

WARD A. RUED.

Witnesses:

F. T. ABERLE, CHAs. TOMAN.

flopies of this patent may be obtained for five cents each, byaddressing the Commissioner of .Eatentn, Washington, D. 0.

